Americans consume more packaged, processed foods per person than their counterparts in any other country. But while processed foods are undeniably affordable and convenient, many also contain lots of fat, salt, and sugar — and, if you have diabetes, they probably shouldn’t be on your shopping list. The problem is that you might have them around out of habit, and then rely on them when you get hungry. “The best thing you can do is plan ahead,” says pediatric endocrinologist Tamara Hannon, MD, associate professor of pediatrics at the Indiana University School of Medicine in Indianapolis. Start by avoiding the following leading offenders.